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M-mode (motion mode) echocardiography

…M mode. M mode images are acquired by manually placing an ultrasound line in the 2D image (Figure 1). The line is placed along the…

Performing Echocardiographic Examinations

…examination without a proper examination table, it may be difficult to acquire images in the left lateral decubitus position. This affects images obtained in apical…

Acquired QT Prolongation and Drug-Induced Arrhythmia

Arrhythmias and arrhythmology Drugs and electrolyte imbalance ECG Definition and Pathophysiology Acquired long QT syndrome (LQTS) is characterised by an abnormal prolongation of the QT…

🟠 Calculating Shunt Fraction (Qp/Qs) Using Echocardiography

…Qp) to systemic blood flow (Qs). This measurement is pivotal in diagnosing and managing congenital or acquired cardiac shunts, such as atrial septal defects (ASD…

Empirical antibiotic therapy: quick reference for common infections

…g × 3 IV 7 days Hospital acquired pneumonia, non severe cefotaxime 1–2 g × 3 IV 8 days including oral step down Hospital acquired pneumonia…

Cardiovascular Prevention in the Very Elderly

…The interaction between these acquired risks and age related cardiovascular remodeling contributes to the high incidence and prevalence of coronary and vascular disease in older…

QT duration & corrected QT (QTc) duration: ECG features & implications

…arrhythmias and therefore QT duration must always be assessed. QT prolongation may be congenital (due to genetic mutations) or acquired (secondary to medications, electrolyte disorders)…

🟠 Antiarrhythmic drugs in acute ventricular arrhythmias (ventricular tachycardia, ventricular fibrillation)

…that results from long QT syndrome (LQTS). TdP occurs exclusively in individuals with LQTS (congenital or acquired). The VT is polymorphic with a gradual alteration…

Pulmonary Hypertension: Classification and Treatment Principles

…result in near total obliteration of affected vessels. Genetic, molecular, and acquired factors may interact in its development. PAH may be idiopathic, heritable, drug associated…

Antiarrhythmic drugs in ventricular tachyarrhythmias

…that results from long QT syndrome (LQTS). TdP occurs exclusively in individuals with LQTS (congenital or acquired). The VT is polymorphic with a gradual alteration…

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